rules.mk

   1 #
   2 # Copyright (C) 2006 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 -include $(TOPDIR)/.config
   9 include $(TOPDIR)/include/verbose.mk
  10
  11 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
  12
  13 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
  14 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
  15 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
  16 #"))"))")) # fix vim's broken syntax highlighting
  17
  18 OPTIMIZE_FOR_CPU:=$(ARCH)
  19
  20 # DIRECTORIES #
  21
  22 DL_DIR:=$(TOPDIR)/dl
  23 INCLUDE_DIR:=$(TOPDIR)/include
  24 SCRIPT_DIR:=$(TOPDIR)/scripts
  25 TOOL_BUILD_DIR:=$(TOPDIR)/tool_build
  26 TOOLCHAIN_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
  27 STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
  28 BIN_DIR:=$(TOPDIR)/bin
  29 PACKAGE_DIR:=$(BIN_DIR)/packages
  30 IPKG_TARGET_DIR:=$(PACKAGE_DIR)
  31 BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
  32 TMP_DIR:=$(TOPDIR)/tmp
  33 STAMP_DIR:=$(BUILD_DIR)/stamp
  34 TARGET_DIR:=$(BUILD_DIR)/root
  35 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
  36
  37 ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
  38   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
  39   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
  40   TARGET_CROSS:=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
  41 endif
  42
  43 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
  44
  45 TARGET_PATH:=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
  46 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
  47
  48 export PATH:=$(TARGET_PATH)
  49
  50 LINUX_DIR:=$(BUILD_DIR)/linux
  51 LINUX_HEADERS_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux
  52
  53 # APPLICATIONS #
  54 HOSTCC:=gcc
  55 TARGET_CC:=$(TARGET_CROSS)gcc
  56 STRIP:=$(STAGING_DIR)/bin/sstrip
  57 PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
  58 SED:=$(STAGING_DIR)/bin/sed -i -e
  59 CP:=cp -fpR
  60
  61 ifneq ($(CONFIG_CCACHE),)
  62   # FIXME: move this variable to a better location
  63   export CCACHE_DIR=$(STAGING_DIR)/ccache
  64   TARGET_CC:= ccache $(TARGET_CC)
  65 endif
  66
  67 TARGET_CONFIGURE_OPTS:= \
  68   AR=$(TARGET_CROSS)ar \
  69   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
  70   LD=$(TARGET_CROSS)ld \
  71   NM=$(TARGET_CROSS)nm \
  72   CC="$(TARGET_CC)" \
  73   GCC="$(TARGET_CC)" \
  74   CXX=$(TARGET_CROSS)g++ \
  75   RANLIB=$(TARGET_CROSS)ranlib \
  76   STRIP=$(TARGET_CROSS)strip
  77
  78 # strip an entire directory
  79 RSTRIP:= \
  80   STRIP="$(STRIP)" \
  81   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
  82   $(SCRIPT_DIR)/rstrip.sh
  83
  84 # where to build (and put) .ipk packages
  85 IPKG:= \
  86   PATH="$(STAGING_DIR)/bin:$(PATH)" \
  87   IPKG_TMP=$(BUILD_DIR)/tmp \
  88   IPKG_INSTROOT=$(TARGET_DIR) \
  89   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
  90   IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
  91   $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
  92
  93 # invoke ipkg-build with some default options
  94 IPKG_BUILD:= \
  95   ipkg-build -c -o 0 -g 0
  96
  97 ifeq ($(CONFIG_ENABLE_LOCALE),true)
  98   DISABLE_NLS:=
  99 else
 100   DISABLE_NLS:=--disable-nls
 101 endif
 102
 103 ifneq ($(CONFIG_LARGEFILE),y)
 104   DISABLE_LARGEFILE= --disable-largefile
 105 endif
 106
 107 ifeq ($(CONFIG_TAR_VERBOSITY),y)
 108   TAR_OPTIONS:=-xvf -
 109 else
 110   TAR_OPTIONS:=-xf -
 111 endif
 112
 113 define shvar
 114 V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
 115 endef
 116
 117 define shexport
 118 $(call shvar,$(1))=$$(call $(1))
 119 export $(call shvar,$(1))
 120 endef
 121
 122
 123 all:
 124 FORCE: ;
 125 .PHONY: FORCE
 126 %: ;